Eighteen years ago I was given a curious device: An Acoustic Coupled modem in a wooden box. I've kept it over the years and recently rediscovered it. Thanks to the recent invention of the web, I am now able to discover something about its history; I may have the oldest working modem on the planet! At this talk I will not only show you the modem, but also demonstrate its operation. Come along for a journey 45 years back to the beginning of digital telecommunications!

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